79807815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25703}}^1$

素因数の和:25740

約数の個数: 32

約数和(自身を含む): 148055040

約数和(自身を除く): 68247225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 25703, 77109, 128515, 231327, 385545, 591169, 693981, 1156635, 1773507, 2955845, 3469905, 5320521, 8867535, 15961563, 26602605, 79807815]

約数ペア:

[(1, 79807815), (3, 26602605), (5, 15961563), (9, 8867535), (15, 5320521), (23, 3469905), (27, 2955845), (45, 1773507), (69, 1156635), (115, 693981), (135, 591169), (207, 385545), (345, 231327), (621, 128515), (1035, 77109), (3105, 25703)]